Louver



FIG. 1 shows a perspective view of a louver according to the principles of the present invention;

FIG. 2 shows a left side elevational view of the louver shown in FIG. 1, a right side elevational view not being shown as it is a mirror image of the left side elevational view;

FIG. 3 shows a front elevational view of the louver shown in FIG. 1, a rear elevational view not being shown as it is a mirror image of the front elevational view; and,

FIG. 4 shows a top plan view of the louver shown in FIG. 1, a bottom plan view not being shown as it is a mirror image of the top plan view. 

The ornamental design for a louver, as shown and described. 